At least 15 million people aged 13 to 15 use e-cigarettes globally, with young people on average nine times more likely to vape than adults in countries with data, the World Health Organization said on Monday. In its first global estimate of e-cigarette use, the WHO said more than 100 million people worldwide are now vaping, including at least 86 million adults, mostly in high-income countries. The figures come as global tobacco use continues to decline, with the number of tobacco users falling to 1.2 billion in 2024 from 1.38 billion in 2000. As ever-stricter regulations help cut tobacco use, the industry has turned to alternative products such as vapes to help offset sales declines. Tobacco companies say they target...